CVE-2026-45664: ImageMagick: Policy Bypass in MNG coder could

Published May 18, 2026
·
Updated

Because of a missing check in the MNG coder it would be possible to read more images than the list limit policy would allow resulting in excessive resource use.

Affected Software

18 affected componentsFixes available
nuget/Magick.NET-Q8-x86<14.13.1
14.13.1
nuget/Magick.NET-Q8-arm64<14.13.1
14.13.1
nuget/Magick.NET-Q8-OpenMP-x64<14.13.1
14.13.1
nuget/Magick.NET-Q8-OpenMP-arm64<14.13.1
14.13.1
nuget/Magick.NET-Q8-AnyCPU<14.13.1
14.13.1
nuget/Magick.NET-Q16-x86<14.13.1
14.13.1
nuget/Magick.NET-Q16-arm64<14.13.1
14.13.1
nuget/Magick.NET-Q16-OpenMP-x64<14.13.1
14.13.1
nuget/Magick.NET-Q16-OpenMP-arm64<14.13.1
14.13.1
nuget/Magick.NET-Q16-HDRI-x86<14.13.1
14.13.1
nuget/Magick.NET-Q16-HDRI-x64<14.13.1
14.13.1
nuget/Magick.NET-Q16-HDRI-arm64<14.13.1
14.13.1
nuget/Magick.NET-Q16-HDRI-OpenMP-x64<14.13.1
14.13.1
nuget/Magick.NET-Q16-HDRI-OpenMP-arm64<14.13.1
14.13.1
nuget/Magick.NET-Q16-HDRI-AnyCPU<14.13.1
14.13.1
nuget/Magick.NET-Q16-AnyCPU<14.13.1
14.13.1
ImageMagick ImageMagick<6.9.13-47
ImageMagick ImageMagick>=7.0.0-0<7.1.2-22

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade nuget/Magick.NET-Q8-x86 to a version that resolves this vulnerability.

    Fixed in 14.13.1
  2. Upgrade

    Upgrade nuget/Magick.NET-Q8-x64 to a version that resolves this vulnerability.

    Fixed in 14.13.1
  3. Upgrade

    Upgrade nuget/Magick.NET-Q8-arm64 to a version that resolves this vulnerability.

    Fixed in 14.13.1
  4. Upgrade

    Upgrade nuget/Magick.NET-Q8-OpenMP-x64 to a version that resolves this vulnerability.

    Fixed in 14.13.1
  5. Upgrade

    Upgrade nuget/Magick.NET-Q8-OpenMP-arm64 to a version that resolves this vulnerability.

    Fixed in 14.13.1
  6. Upgrade

    Upgrade nuget/Magick.NET-Q8-AnyCPU to a version that resolves this vulnerability.

    Fixed in 14.13.1
  7. Upgrade

    Upgrade nuget/Magick.NET-Q16-x86 to a version that resolves this vulnerability.

    Fixed in 14.13.1
  8. Upgrade

    Upgrade nuget/Magick.NET-Q16-x64 to a version that resolves this vulnerability.

    Fixed in 14.13.1
  9. Upgrade

    Upgrade nuget/Magick.NET-Q16-arm64 to a version that resolves this vulnerability.

    Fixed in 14.13.1
  10. Upgrade

    Upgrade nuget/Magick.NET-Q16-OpenMP-x64 to a version that resolves this vulnerability.

    Fixed in 14.13.1
  11. Upgrade

    Upgrade nuget/Magick.NET-Q16-OpenMP-arm64 to a version that resolves this vulnerability.

    Fixed in 14.13.1
  12. Upgrade

    Upgrade nuget/Magick.NET-Q16-HDRI-x86 to a version that resolves this vulnerability.

    Fixed in 14.13.1
  13. Upgrade

    Upgrade nuget/Magick.NET-Q16-HDRI-x64 to a version that resolves this vulnerability.

    Fixed in 14.13.1
  14. Upgrade

    Upgrade nuget/Magick.NET-Q16-HDRI-arm64 to a version that resolves this vulnerability.

    Fixed in 14.13.1
  15. Upgrade

    Upgrade nuget/Magick.NET-Q16-HDRI-OpenMP-x64 to a version that resolves this vulnerability.

    Fixed in 14.13.1
  16. Upgrade

    Upgrade nuget/Magick.NET-Q16-HDRI-OpenMP-arm64 to a version that resolves this vulnerability.

    Fixed in 14.13.1
  17. Upgrade

    Upgrade nuget/Magick.NET-Q16-HDRI-AnyCPU to a version that resolves this vulnerability.

    Fixed in 14.13.1
  18. Upgrade

    Upgrade nuget/Magick.NET-Q16-AnyCPU to a version that resolves this vulnerability.

    Fixed in 14.13.1
  19. Upgrade

    Upgrade ImageMagick to a version that resolves this vulnerability.

    Fixed in 6.9.13-47
  20. Upgrade

    Upgrade ImageMagick to a version that resolves this vulnerability.

    Fixed in 7.1.2-22

Event History

May 18, 2026
Advisory Published
via GitHub·08:33 PM
Data Sourced
via GitHub·08:33 PM
DescriptionSeverityWeaknessAffected Software
Jun 10, 2026
CVE Published
via MITRE·09:30 PM
Data Sourced
via MITRE·09:30 PM
DescriptionSeverityWeakness
Data Sourced
via Red Hat·10:01 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·10:16 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-45664?

CVE-2026-45664 has been classified as a high severity vulnerability due to the potential for excessive resource use.

2

How do I fix CVE-2026-45664?

To remediate CVE-2026-45664, you should upgrade Magick.NET to version 14.13.1 or later.

3

What happens if CVE-2026-45664 is exploited?

Exploitation of CVE-2026-45664 could lead to denial of service due to resource exhaustion.

4

Which software versions are affected by CVE-2026-45664?

CVE-2026-45664 affects multiple versions of Magick.NET, specifically versions prior to 14.13.1.

5

Is CVE-2026-45664 related to a specific coding error?

Yes, CVE-2026-45664 is caused by a missing check in the MNG coder.

Company

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